diff --git a/forge-game/src/main/java/forge/game/spellability/SpellAbility.java b/forge-game/src/main/java/forge/game/spellability/SpellAbility.java
index 9680f81d482..256bbf07a3a 100644
--- a/forge-game/src/main/java/forge/game/spellability/SpellAbility.java
+++ b/forge-game/src/main/java/forge/game/spellability/SpellAbility.java
@@ -32,6 +32,7 @@ import forge.game.card.CardCollection;
 import forge.game.card.CardCollectionView;
 import forge.game.card.CardDamageMap;
 import forge.game.card.CardFactory;
+import forge.game.card.CardPredicates;
 import forge.game.card.CardZoneTable;
 import forge.game.cost.Cost;
 import forge.game.cost.CostPart;
@@ -46,6 +47,7 @@ import forge.game.trigger.Trigger;
 import forge.game.trigger.TriggerType;
 import forge.game.trigger.WrappedAbility;
 import forge.game.zone.ZoneType;
+import forge.util.Aggregates;
 import forge.util.Expressions;
 import forge.util.TextUtil;
 import org.apache.commons.lang3.StringUtils;
@@ -1099,8 +1101,14 @@ public abstract class SpellAbility extends CardTraitBase implements ISpellAbilit
             }
 
             if (hasParam("MaxTotalTargetCMC") && entity instanceof Card) {
-                final Card c = (Card) entity;
-                if (c.getCMC() > tr.getMaxTotalCMC(c, this)) {
+                int soFar = Aggregates.sum(getTargets().getTargetCards(), CardPredicates.Accessors.fnGetCmc);
+                // only add if it isn't already targeting
+                if (!isTargeting(entity)) {
+                    final Card c = (Card) entity;
+                    soFar += c.getCMC();
+                }
+
+                if (soFar > tr.getMaxTotalCMC(getHostCard(), this)) {
                     return false;
                 }
             }
diff --git a/forge-gui/src/main/java/forge/match/input/InputSelectTargets.java b/forge-gui/src/main/java/forge/match/input/InputSelectTargets.java
index 547b185b681..e6ba852fce2 100644
--- a/forge-gui/src/main/java/forge/match/input/InputSelectTargets.java
+++ b/forge-gui/src/main/java/forge/match/input/InputSelectTargets.java
@@ -6,6 +6,7 @@ import forge.game.GameEntity;
 import forge.game.GameObject;
 import forge.game.ability.ApiType;
 import forge.game.card.Card;
+import forge.game.card.CardPredicates;
 import forge.game.card.CardView;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
@@ -16,6 +17,7 @@ import forge.player.PlayerZoneUpdate;
 import forge.player.PlayerZoneUpdates;
 import forge.properties.ForgeConstants;
 import forge.properties.ForgePreferences;
+import forge.util.Aggregates;
 import forge.util.ITriggerEvent;
 import forge.util.TextUtil;
 
@@ -148,6 +150,9 @@ public final class InputSelectTargets extends InputSyncronizedBase {
             return false;
         }
 
+        // TODO should use sa.canTarget(card) instead?
+        // it doesn't have messages
+
         //If the card is not a valid target
         if (!card.canBeTargetedBy(sa)) {
             showMessage(sa.getHostCard() + " - Cannot target this card (Shroud? Protection? Restrictions).");
@@ -170,6 +175,20 @@ public final class InputSelectTargets extends InputSyncronizedBase {
             return false;
         }
 
+        if (sa.hasParam("MaxTotalTargetCMC")) {
+            int maxTotalCMC = tgt.getMaxTotalCMC(sa.getHostCard(), sa);
+            if (maxTotalCMC > 0) {
+                int soFar = Aggregates.sum(sa.getTargets().getTargetCards(), CardPredicates.Accessors.fnGetCmc);
+                if (!sa.isTargeting(card)) {
+                    soFar += card.getCMC();
+                }
+                if (soFar > maxTotalCMC) {
+                    showMessage(sa.getHostCard() + " - Cannot target this card (CMC limit exceeded)");
+                    return false;
+                }
+            }
+        }
+
         // If all cards must have different controllers
         if (tgt.isDifferentControllers()) {
             final List<Player> targetedControllers = new ArrayList<>();
@@ -186,12 +205,7 @@ public final class InputSelectTargets extends InputSyncronizedBase {
         }
 
         if (!choices.contains(card)) {
-            if (card.isPlaneswalker() && sa.getApi() == ApiType.DealDamage) {
-                showMessage(sa.getHostCard() + " - To deal an opposing Planeswalker direct damage, target its controller and then redirect the damage on resolution.");
-            }
-            else {
-                showMessage(sa.getHostCard() + " - The selected card is not a valid choice to be targeted.");
-            }
+            showMessage(sa.getHostCard() + " - The selected card is not a valid choice to be targeted.");
             return false;
         }